Red, White & Blue Tiramisu
By Francesca Zani
Approved by the Delish Test Kitchen

Yields:
10 - 12 serving(s)
Prep Time:
15 mins
Total Time:
4 hrs
Cal/Serv:
864
Tiramisu is the beloved Italian-American dessert that’s synonymous with the holidays to me. I love it so much, in fact, that I’ve created a variety of spinoffs using seasonal warm weather ingredients too, like our limoncello tiramisu and our strawberries & cream tiramisu. Next up: this red, white & blue tiramisu made up of blueberry- and strawberry-studded layers. It’s perfect for 4th of July, of course, but one bite, and I know you’ll be making it again and again, all summer long. Here’s how to make it.
The white layer:
The whipped mascarpone layer is made from sweetened whipped cream and mascarpone. I like to whip the cream until just about stiff peaks form, then just fold in the mascarpone. I prefer to fold in the mascarpone rather than whip it so the mixture doesn’t break or separate. To make the folding easier, choose a mascarpone that’s softer and more pliable like Vermont Creamery. Others, like BelGioioso, are more dense and should come to room temperature before you attempt to fold them in.
The red & blue layers:
I like to prepare all of my ingredients first, starting by washing, drying, and cutting the berries. Then I recommend creating all your layers so you can just focus on assembly when the time comes. Start by splitting your whipped mascarpone in half into two bowls—you can use a scale if you prefer, but eyeballing it works. Keep one as is, and mix your fresh diced strawberries into the other. Then, in a separate bowl, combine your fresh blueberries and blueberry jam. Stir the Prosecco and cream together, and you’re ready to assemble. Follow the directions in the recipe below, trying your best to not mix the layers together.
Once the tiramisu has chilled, you’re ready to add the final touches. Crush up freeze-dried strawberries VERY finely (a coffee grinder or something similar works great here), and make sure the surface of your tiramisu is as flat as possible—you can smooth it out easily with an offset spatula when it’s nice and chilled if you need. Place a star-shaped cookie cutter on tiramisu, then dust with dust the freeze-dried strawberries. Repeat, spacing the stars throughout.
Make ahead & storage:
You can make this up 'til step 5 up to 3 days ahead of the day you plan to finish decorating and serving this tiramisu. As with any dairy-rich desserts, store any leftovers in airtight container in the refrigerator for up to 3 days.
Made this? Let me know how it went in the comments below!
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Ingredients
- 6 Tbsp.
confectioners' sugar
- 1/2 tsp.
kosher salt
- 4 cups
heavy cream, divided
- 16 oz.
mascarpone, room temperature
- 2 cups
Prosecco or sparkling wine
- 40
to 44 ladyfingers, divided
- 3 cups
fresh blueberries, smashed
- 1
(13-oz.) jar wild blueberry preserves or jam
- 4 cups
fresh strawberries, finely chopped
- 1/4 cup
crushed freeze-dried strawberries
Equipment Needed
A star-shaped cookie cutter
Directions
- Step 1In the large bowl of a stand mixer fitted with the whisk attachment (or using a handheld mixer and a large bowl), beat confectioners’ sugar, salt, and 3 cups cream on medium speed until medium peaks form, 3 to 4 minutes. Add mascarpone and beat until stiff peaks form, about 1 minute more.
- Step 2In a shallow bowl or large liquid measuring cup, stir prosecco and 1 cup cream. Working one at a time, dip 20 to 22 ladyfingers into prosecco mixture. Arrange in rows parallel to short side of a 13" x 9" baking dish, breaking if needed to fit. Spread half of mascarpone mixture over ladyfingers in an even layer.
- Step 3In a medium bowl, combine fresh blueberries and blueberry preserves. Spread blueberry mixture on top of mascarpone mixture, being careful not to mix the layers.
- Step 4Dip and layer remaining ladyfingers on top of blueberry mixture, breaking to fit if needed.
- Step 5Fold fresh strawberries into remaining mascarpone mixture. Spread over top of ladyfingers. Refrigerate at least 4 hours and up to 3 days.
- Step 6Gently press star cutter into top of tiramisu (you can also use different size/multiple star cutters to speed this up). Using a fine-mesh sieve, dust cutter with freeze-dried strawberries. Repeat, spacing star shapes on top of tiramisu as desired.
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